简介：ThepresentstatusofPPtechnologyinChinaispresented.ThroughareviewofsingleloopanddualloopPPreactortechnologyaswellasdevelopmentandutilizationofPPproductsitisconcludedthatimportofPPtechnologyshouldbebasedonthedemandofPPproductsandmarkettrendwithconsiderationoflocalconditions.TheexistingproblemsandfuturedevelopmentofPPtechnologyinChinaarediscussed.

简介：Single-eventmicrokinetic(SEMK)modelofthecatalyticcrackingofmethylcyclohexaneadmixedwith1-octeneoverREUSYzeolitesat693K—753Kintheabsenceofcokeformationisenhanced.Tokeepconsistencywiththewellknowncarbeniumionchemistry,hydridetransferformingandconsumingallyliccarbeniumionsinthearomatizationofcycloparaffinsarefurtherinvestigatedanddifferentiated.Thereversibilityofendocyclicβ-scissionandcyclizationreactionsisrefinedbyaccountingexplicitlyforthereactingolefinsandresultingcycloparaffinsinthecorrespondingthermodynamics.24activationenergiesforthereactionsinvolvedinthecrackingofcycloparaffinsareobtainedbytheregressionof15setsofexperimentaldataupontakingtheresulting37maincrackingproducts,i.e.,responsesintoaccount.TheenhancedSEMKmodelcanadequatelydescribethecatalyticbehaviorof37mainproductswithconversionandtemperature.

简介：ThefirstinChinasingle20-kt/amaleicanhydrideunitanditsassociated50kt/aunitforcontinuousrectificationofmaleicanhydride,whichwereindependentlydevelopedanddesignedbyCASShanxiCoalChemicalInstitute,wereput

简介：TillOctober9,2012thelineAcyclohexanoneunitofthe200kt/acaprolactamprojectownedbytheBalingHengyiCaprolactamCompanyinZhejiangprovincehasbeenoperatingcontinuouslyandsmoothlyfortendays.Tillnowthetwoproductionlinesatthecaprolactamproject,inwhichtheSinopecCorp.andtheZhejiangHengyiGroup